Dell

https://en.wikipedia.org/wiki/List_of_PowerEdge_servers

3 digits naming convention:

• 1st: letter - type
  • Rack / Modular / Tower
• 2nd: digit - sockets
  • 1..3 1 socket
  • 4..7 2 sockets
  • 8..9 4 sockets
• 3rd: digit - generation
  • 0 - 10 gen (DDR2)
  • 1 - 11 gen (DDR3)
  • 2 - 12 gen (DDR3)
  • 3 - 13 gen (DDR4)
• 4rd: digit - CPU vendor
  • 0 - Intel
  • 1 - AMD

Tower sizes for comparison:

• Classic big tower: 19 cm x 40 x 45 cm = quite BIG
• APC UPS 3000VA XL Tower 22 cm x50 x 55 cm == HUGE

• T20 - mini tower - economical, MB from normal PC (max 4×3,5“), no IDRAC
• T320
• T410 1x Xeon E5620, 2010
• T420 (430.3 x 218 x 538.4 mm)
  • E5-2430 V1 32nm 2012
• T720 2x Xeon E5-2470v2
• T1600 1x Xeon E3 1225, chipset Intel C206, max 32GB, 2011
• T7400 2x XEON E5405 2007
• 12 gen (DDR3):
  • T320: bigger tower, 2x PSU, 192MB RAM, E5-2420 v2 22nm, iDRAC 7 Ent (580 x 220 x 440 mm)
  • T420
• 13 gen (DDR4):
  • T130: looks like classic PC, 2x ethernet, no hotswap, 4 x DDR ECC UDIMM, iDRAC8 Basic, E3-1220V5 14nm, Perc H330 (HBA possible)
  • T330: big rack/tower but inside classic small MB like T130, redundant power suply, hot swap HDDs, E3-1220 v5, 8×3,5”,
    • depth 578 x height 443 x width 305 ←- very big !